Re: Demachy and red chalk
But won't you get something more like pink (instead of red) if you mix chalk and red iron oxide? Regards, Loris. 23 Mayıs 2009, Cumartesi, 4:14 am tarihinde, ender100 yazmış: > Chris, > > I think you are right. If I remember, the Red Chalk or Sanguine was a > special chalk that had a lot of iron oxide in it. > > Were the Demachy prints in this color gums or photogravures? > -- > Best Wishes, > > Mark Nelson > Precision Digital Negatives > PDNPrint Forum @ Yahoo Groups > > Mark Nelson Photography > > > On May 22, 2009, at 8:10:22 PM, "Christina Z. Anderson" > <zphoto@montana.net> wrote: > > Henry, > Try Venetian red, Indian red, or red ochre. It was a red iron oxide > pigment if I remember correctly. One recipe calls for 3 g. Venetian red > powder to 1/2 oz. gum. Another calls for a pigment called "light red" > which I know was available about 10 yr ago anyway. But Venetian Red is a > nice brick-y color that you'd be happy with. My notes say this: "For > instance, a Venetian red or red ochre color was used to approximate the > rust colored conte crayon portraits." > Chris >
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